Home / 5,177.68-7,141.50-3,185.62

Finding the Fourth Proportional to 5,177.68, 7,141.50 and 3,185.62

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Solution

The fourth proportional to 5,177.68, 7,141.50 and 3,185.62 is: 4,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.68 : 7,141.50 = 3,185.62 : x
  2. Step 2: Convert to fraction form
    5,177.68/7,141.50 = 3,185.62/x
  3. Step 3: Cross multiply
    5,177.68x = 7,141.50 × 3,185.62
  4. Step 4: Simplify right side
    5,177.68x = 22,750,105.23
  5. Step 5: Solve for x
    x = 22,750,105.23/5,177.68
  6. Step 6: Final answer
    x = 4,393.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.